Precious stone cutters use cutting machines and tools to cut or carve diamonds and other gemstones according to diagrams and patterns while considering different specifications. They are experts at fabricating jewellery such as rings, brooches, chains and bracelets from gemstones.

Tasks

Tasks include -
(a) Casting jewellery and other non-ferrous metal articles by hand;
(b) Creating new jewellery designs and modifying existing designs, using computers as necessary;
(c) Cutting designs in moulds or other materials to be used as models in the fabrication of metal and jewellery products;
(d) Altering existing jewellery mountings in order to reposition jewels or to adjust mountings;
(e) Repairing, reshaping and restyling old jewellery or precious metal ware following designs or instructions;
(f) Making complete jewellery articles such as rings, necklaces, bangles, brooches and bracelets from materials such as gold, silver, platinum and precious or semi-precious stones;
(g) Examining gem surfaces and internal structures, using polariscopes, refractometers, microscopes, and other optical instruments to differentiate between stones, to identify rare specimens, or to detect flaws, defects or peculiarities affecting gem values;
(h) Cutting and polishing gems and setting them in jewellery articles;
(i) Engraving or embossing letters, designs or decorative lines on jewellery and precious metal ware;
(j) Grinding, drilling and finishing jewel bearings for use in precision instruments such as compasses and chronometers;
(k) Examining assembled or finished products to ensure conformance to specifications, using magnifying glasses or precision measuring instruments.